Intel N455 AU80610006237AA User Manual
Product codes
AU80610006237AA
Signal Description
20
Datasheet
2.4
DMI - Direct Media Interface
PM_EXTTS[1:0]#
External Thermal Sensor Input:
If the system temperature reaches a dangerously
high value then this signal can be used to trigger
the start of system memory throttling.
EXTTS1# can alternately be used to implement
fast C4/C4E exit. See
If the system temperature reaches a dangerously
high value then this signal can be used to trigger
the start of system memory throttling.
EXTTS1# can alternately be used to implement
fast C4/C4E exit. See
for details. This
functionality is not available on EXTTS0#.
I
HVCMOS
RSVD
Reserved. Must be left unconnected on the
board. Intel does not recommend a test point on
the board for this ball.
board. Intel does not recommend a test point on
the board for this ball.
N/A
N/A
RSVD_NCTF
Reserved/non-critical to function. Pin for
package mechanical reliability. A test point may
be placed on the board for this ball.
package mechanical reliability. A test point may
be placed on the board for this ball.
N/A
N/A
RSVD_TP
Reserved-test-point. A test point may be
placed on the board for this ball.
placed on the board for this ball.
N/A
N/A
XDP_RSVD_[17:0]
Reserved XDP debug signals. Connect to XDP
connector; or just left as Not-Connected except
for XDP_RSVD_9 - pull this pin to low for normal
operation.
connector; or just left as Not-Connected except
for XDP_RSVD_9 - pull this pin to low for normal
operation.
N/A
N/A
Table 2-7. DMI - Processor to Chipset Serial Interface
Signal Name
Description
Direction
Type
DMI_RXP[1:0]
DMI_RXN[1:0]
DMI_RXN[1:0]
DMI input from south bridge: Direct Media Interface
receive differential pair.
receive differential pair.
I
DMI
DMI_TXP[1:0]
DMI_TXN[1:0]
DMI_TXN[1:0]
DMI output to south bridge: Direct Media Interface
transmit differential pair.
transmit differential pair.
O
DMI
EXP_ICOMPI
PCI-Express-G Input Current Compensation. Connect
to EXP_RCOMPO and then to Ground via one 50 Ohm
serial resistor.
to EXP_RCOMPO and then to Ground via one 50 Ohm
serial resistor.
I
Analog
EXP_RCOMPO
PCI-Express-G Resistance Compensation. Connect to
EXP_ICOMPI and then to Ground via one 50 Ohm
serial resistor.
EXP_ICOMPI and then to Ground via one 50 Ohm
serial resistor.
I/O
Analog
EXP_RBIAS
PCI-Express CML Bias control: Connect to a 750 Ohm
resistor to ground.
resistor to ground.
I/O
Analog
Table 2-6. Reset and Miscellaneous Signals (Sheet 2 of 2)
Signal Name
Description
Direction
Type